Pocket Watch Database
Patent Archive
#1938135
Patent Information
Timer Electric Circuit
Thomas J. Cranwill
December 5, 1933
Patent #1938135
| Patent Number: | 1938135 |
| Description: | Timer Electric Circuit |
| Inventor(s): | Thomas J. Cranwill |
| Patent Date: | Dec 5, 1933 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
